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Stability of electron-hole liquid in quantum wells
1Kuban State University, 350040 Krasnodar, Russia.
Abstract:
Density functional theory is used to calculate the energy of electron-hole liquid and the equilibrium density of electron-hole pairs in quantum wells. Nonlinear Kohn-Sham equations for electrons and holes are solved numerically. The influence of the depth and width of the quantum well, the ratio of the hole and electron masses, and the spin splitting of the hole band on the properties of electron-hole liquid is studied. The critical temperature of electron-hole liquid in quantum wells is estimated. Good agreement between the calculations and experimental results is obtained.
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